mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
47ed3a3675
The bulk of this commit was generated by running:
run-clang-tidy.py \
-checks='-*,llvm-namespace-comment' \
-header-filter=^/.../mozilla-central/.* \
-fix
131 lines
4.3 KiB
C++
131 lines
4.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef MOZILLA_SVGANIMATEDNUMBERLIST_H__
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#define MOZILLA_SVGANIMATEDNUMBERLIST_H__
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#include "mozilla/Attributes.h"
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#include "nsAutoPtr.h"
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#include "nsISMILAttr.h"
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#include "SVGNumberList.h"
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class nsSMILValue;
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class nsSVGElement;
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namespace mozilla {
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namespace dom {
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class SVGAnimationElement;
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} // namespace dom
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/**
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* Class SVGAnimatedNumberList
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*
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* This class is very different to the SVG DOM interface of the same name found
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* in the SVG specification. This is a lightweight internal class - see
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* DOMSVGAnimatedNumberList for the heavier DOM class that wraps instances of
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* this class and implements the SVG specification's SVGAnimatedNumberList DOM
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* interface.
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*
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* Except where noted otherwise, this class' methods take care of keeping the
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* appropriate DOM wrappers in sync (see the comment in
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* DOMSVGAnimatedNumberList::InternalBaseValListWillChangeTo) so that their
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* consumers don't need to concern themselves with that.
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*/
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class SVGAnimatedNumberList
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{
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// friends so that they can get write access to mBaseVal
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friend class DOMSVGNumber;
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friend class DOMSVGNumberList;
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public:
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SVGAnimatedNumberList() {}
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/**
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* Because it's so important that mBaseVal and its DOMSVGNumberList wrapper
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* (if any) be kept in sync (see the comment in
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* DOMSVGAnimatedNumberList::InternalBaseValListWillChangeTo), this method
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* returns a const reference. Only our friend classes may get mutable
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* references to mBaseVal.
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*/
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const SVGNumberList& GetBaseValue() const {
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return mBaseVal;
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}
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nsresult SetBaseValueString(const nsAString& aValue);
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void ClearBaseValue(uint32_t aAttrEnum);
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const SVGNumberList& GetAnimValue() const {
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return mAnimVal ? *mAnimVal : mBaseVal;
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}
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nsresult SetAnimValue(const SVGNumberList& aValue,
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nsSVGElement *aElement,
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uint32_t aAttrEnum);
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void ClearAnimValue(nsSVGElement *aElement,
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uint32_t aAttrEnum);
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// Returns true if the animated value of this list has been explicitly
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// set (either by animation, or by taking on the base value which has been
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// explicitly set by markup or a DOM call), false otherwise.
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// If this returns false, the animated value is still valid, that is,
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// useable, and represents the default base value of the attribute.
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bool IsExplicitlySet() const
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{ return !!mAnimVal || mIsBaseSet; }
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bool IsAnimating() const {
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return !!mAnimVal;
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}
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/// Callers own the returned nsISMILAttr
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nsISMILAttr* ToSMILAttr(nsSVGElement* aSVGElement, uint8_t aAttrEnum);
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private:
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// mAnimVal is a pointer to allow us to determine if we're being animated or
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// not. Making it a non-pointer member and using mAnimVal.IsEmpty() to check
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// if we're animating is not an option, since that would break animation *to*
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// the empty string (<set to="">).
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SVGNumberList mBaseVal;
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nsAutoPtr<SVGNumberList> mAnimVal;
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bool mIsBaseSet;
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struct SMILAnimatedNumberList : public nsISMILAttr
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{
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public:
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SMILAnimatedNumberList(SVGAnimatedNumberList* aVal,
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nsSVGElement* aSVGElement,
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uint8_t aAttrEnum)
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: mVal(aVal)
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, mElement(aSVGElement)
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, mAttrEnum(aAttrEnum)
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{}
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// These will stay alive because a nsISMILAttr only lives as long
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// as the Compositing step, and DOM elements don't get a chance to
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// die during that.
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SVGAnimatedNumberList* mVal;
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nsSVGElement* mElement;
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uint8_t mAttrEnum;
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// nsISMILAttr methods
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virtual nsresult ValueFromString(const nsAString& aStr,
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const dom::SVGAnimationElement* aSrcElement,
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nsSMILValue& aValue,
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bool& aPreventCachingOfSandwich) const override;
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virtual nsSMILValue GetBaseValue() const override;
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virtual void ClearAnimValue() override;
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virtual nsresult SetAnimValue(const nsSMILValue& aValue) override;
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};
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};
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} // namespace mozilla
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#endif // MOZILLA_SVGANIMATEDNUMBERLIST_H__
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